氧化物弥散强化低活化铁素体/马氏体钢及其冶炼方法

• Format: Patent
• Language: Chinese
• Published: 03.08.2018
• Subjects: ALLOYS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FERROUS OR NON-FERROUS ALLOYS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF ALLOYS OR NON-FERROUS METALS

种氧化物弥散强化低活化铁素体/马氏体钢及其冶炼工艺冶炼方法，属于特殊钢冶金技术领域。该包括的原料及其质量百分比为：电解铬(8.9～9.1％)、电解锰(0.4～0.5％)、高纯硅(0.05～0.08％)、高纯石墨(0.08～0.12％)、金属钨(1.4～1.6％)、金属钽(0.1％)、金属钒(0.18～0.22％)、海绵钛(0.1～0.25％)、高纯稀土钇(0.2～0.5％)、氧化铁皮(1％)，余量为高纯低硫低磷生铁。其制备方法包括：备料、真空感应熔炼、浇铸、锻造和电渣重熔工艺，制得ODS-RAFM，具有致密度高、成分均匀、耗能少、纯度高、冶炼方法稳定、满足大型核电设备所需的大规格ODS钢。 The invention discloses oxide dispersion strengthening low activity ferrite/martensite steel and a smelting technology and a smelting method of the oxide dispersion strengthening low activity ferrite/martensite steel, and belongs to the technical field of special steel metallurgy. The oxide dispersion strengthening low activity ferrite/martensite steel comprises raw materials including, by mass percent, 8.9%-9.1% of electrolytic chromium, 0.4%-0.5% of electrolytic manganese, 0.05%-0.08% of high-purity silicon, 0.08%-0.12% of high-purity graphite, 1.4%-1.6% of metal tungsten, 0.1% of metal tantalum, 0.18%-0.22% of metal vanadium, 0.1%-0.25% of sponge titanium, 0.2%-0.5% of high-purity rare earth yttrium, 1% of oxide